Enhanced randomization rules

src/TryAtSoftware.Randomizer.Core/RandomizationRule.cs

@@ -9,21 +9,36 @@
     public class RandomizationRule<TEntity, TValue> : IRandomizationRule<TEntity>
         where TEntity : class
     {
-        public RandomizationRule([NotNull] Expression<Func<TEntity, TValue>> propertySelector, [NotNull] IRandomizer<TValue> randomizer)
+        private readonly IRandomValueSetter<TEntity> _valueSetter;
+
+        private RandomizationRule(Expression<Func<TEntity, TValue>> propertySelector)
         {
+            if (propertySelector is null)
+                throw new ArgumentNullException(nameof(propertySelector));
+
             var property = propertySelector.GetPropertyInfo();
             this.PropertyName = property.Name;
-            this.Randomizer = randomizer;
         }
 
-        /// <inheritdoc />
-        public string PropertyName { get; }
+        public RandomizationRule([NotNull] Expression<Func<TEntity, TValue>> propertySelector, [NotNull] IRandomizer<TValue> randomizer)
+            : this(propertySelector)
+        {
+            if (randomizer is null)
+                throw new ArgumentNullException(nameof(randomizer));
+
+            this._valueSetter = new RandomValueSetter<TEntity, TValue>(this.PropertyName, randomizer, MembersBinderCache<TEntity>.Binder);
+        }
+
+        public RandomizationRule([NotNull] Expression<Func<TEntity, TValue>> propertySelector, [NotNull] IRandomValueSetter<TEntity> valueSetter)
+            : this(propertySelector)
+        {
+            this._valueSetter = valueSetter ?? throw new ArgumentNullException(nameof(valueSetter));
+        }
 
         /// <inheritdoc />
-        public IRandomizer<TValue> Randomizer { get; }
+        public string PropertyName { get; }
 
         /// <inheritdoc />
-        public IRandomValueSetter<TEntity> GetValueSetter() 
-            => new RandomValueSetter<TEntity,TValue>(this.PropertyName, this.Randomizer, MembersBinderCache<TEntity>.Binder);
+        public IRandomValueSetter<TEntity> GetValueSetter() => this._valueSetter;
     }
 }

src/TryAtSoftware.Randomizer.Core/TryAtSoftware.Randomizer.Core.csproj

@@ -3,7 +3,7 @@
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
         <PackageId>TryAtSoftware.Randomizer</PackageId>
-        <Version>1.0.1</Version>
+        <Version>1.0.2</Version>
         <Authors>Tony Troeff</Authors>
         <RepositoryUrl>https://github.com/TryAtSoftware/Randomizer</RepositoryUrl>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>